In the kidney, the movement of nutrients from the filtrate to the peritubular capillaries is:
A)reabsorption
B)secretion
C)filtration
D)All of these are involved.

Question

Quizplus · Accepted Answer

Reabsorption is the movement of nutrients or substances from the filtrate back into the blood in the peritubular capillaries. Secretion is the opposite process, where substances are moved from the blood to the filtrate. Filtration is the initial step in the formation of urine, where blood is filtered through the glomerulus to form the filtrate that will eventually become urine. Therefore, the correct answer is A, as reabsorption refers specifically to the movement of nutrients from the filtrate to the peritubular capillaries.

In the Kidney, the Movement of Nutrients from the Filtrate